Severe thunderstorms and heavy rain for portions of the southern U.S.

A storm system will produce scattered severe thunderstorms and heavy rain in portions of lower-mid Mississippi River Valley and Gulf Coast region on Saturday. Very large hail, locally damaging winds, isolated tornadoes and flash flooding are possible in this area. Some of the flooding could be significant in portions of Louisiana, Mississippi and southeast Arkansas.
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Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

51°F

11°C

Humidity 74%
Wind Speed S 12 mph
Barometer 30.23 in (1023.7 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 30 Apr 4:56 pm EDT
Extended Forecast for

Groton CT

  • Tonight

    Tonight: Increasing clouds, with a low around 42. Southeast wind 5 to 9 mph becoming light  after midnight.

    Increasing
    Clouds

    Low: 42 °F

  • Sunday

    Sunday: Rain, mainly after noon.  High near 52. Southeast wind 6 to 11 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Chance Rain
    then Rain

    High: 52 °F

  • Sunday
    Night

    Sunday Night: Rain likely, with thunderstorms also possible after 3am.  Patchy fog.  Otherwise, cloudy, with a steady temperature around 47. East wind 11 to 18 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Rain Likely
    and Patchy
    Fog

    Low: 47 °F

  • Monday

    Monday: Showers likely and possibly a thunderstorm before noon, then a chance of showers.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 58. Northeast wind around 9 mph becoming northwest in the afternoon.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely and
    Patchy Fog

    High: 58 °F

  • Monday
    Night

    Monday Night: A chance of showers after 2am.  Mostly cloudy, with a low around 46. Northwest wind 6 to 10 mph.  Chance of precipitation is 30%.

    Mostly Cloudy
    then Chance
    Showers

    Low: 46 °F

  • Tuesday

    Tuesday: A chance of showers.  Mostly cloudy, with a high near 57. Chance of precipitation is 40%.

    Chance
    Showers

    High: 57 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 47.

    Mostly Cloudy

    Low: 47 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 58.

    Partly Sunny

    High: 58 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers.  Mostly cloudy, with a low around 46. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 46 °F

Detailed Forecast

Tonight
Increasing clouds, with a low around 42. Southeast wind 5 to 9 mph becoming light after midnight.
Sunday
Rain, mainly after noon. High near 52. Southeast wind 6 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely, with thunderstorms also possible after 3am. Patchy fog. Otherwise, cloudy, with a steady temperature around 47. East wind 11 to 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers likely and possibly a thunderstorm before noon, then a chance of showers. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 58. Northeast wind around 9 mph becoming northwest in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers after 2am. Mostly cloudy, with a low around 46. Northwest wind 6 to 10 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 57. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 47.
Wednesday
Partly sunny, with a high near 58.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly cloudy, with a high near 58. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 58. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 59. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Groton CT
 41.32°N 72.09°W (Elev. 3 ft)
4:01 pm EDT Apr 30, 2016
5pm EDT Apr 30, 2016-6pm EDT May 7, 2016
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database